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Tom [10]
3 years ago
13

What type of indications would be shown if an igneous rock cooled quickly?

Chemistry
1 answer:
Nana76 [90]3 years ago
6 0

It's actually C because the rock cooled fast

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A patient needs to take 625 mg of ibuprofen twice daily. The pills in the bottle are each 250. mg. How many pills does the patie
WINSTONCH [101]
2 and a half
250 x 2 =500
250/2=125
and 125 is a half of 250
so your answer is
2 and a half
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Hydrogen bonds form between molecules containing _________ bonds; the hydrogen bond is between a hydrogen atom of one molecule a
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The answer is A. Polar covalent; negatively

Explanation:

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Example H_{2}O (water):- It contain a slight positive charge on one side and a slight negative charge on the other.

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3 years ago
What is the most basic level of biological organization?
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2 years ago
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A high concentration of water has ____________ dissolved particles than a low water concentration.
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3 0
1 year ago
Consider the chemical equation. CuCl2 + 2NaNO3 mc023-1.jpg Cu(NO3)2 + 2NaCl What is the percent yield of NaCl if 31.0 g of CuCl2
lana [24]
CuCl2 + 2NaNO3 ---->  Cu(NO3)2 + 2NaCl

using molar masses:-
Theoretical yields:-
63.54 + 2(35.45) g  of CuCl2  produces  2(22.98 + 35.45) g of NaCl
    134.44  g .................................................... 116.86 g
       31.0 g ....................................................31.0 * 116.86 /134.44=26.95g  
 
 So percentage yield is 21.2* 100 / 26.95    =  78.7%  to nearest tenth                                                                                                              


5 0
3 years ago
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